s390/pci: Rework __zpci_event_availability() to remove conditional locking

Clang's compiler based static context analysis does not work with locks
that are conditionally taken like in __zpci_event_availability():

arch/s390/pci/pci_event.c:402:10: warning: mutex 'get_zdev_by_fid(ccdf->fid).state_lock'
  is not held on every path through here [-Wthread-safety-analysis]

Given that code which takes locks conditionally can be considered
suboptimal rework __zpci_event_availability() to get rid of this.

Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

0 files changed, 0 insertions, 0 deletions